package com.huike.web.controller.common;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.converters.longconverter.LongStringConverter;
import com.huike.clues.domain.vo.TbClueExcelVo;
import org.apache.tomcat.util.http.fileupload.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.MediaType;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import com.huike.clues.service.ISysFileService;
import com.huike.common.config.HuiKeConfig;
import com.huike.common.constant.Constants;
import com.huike.common.core.controller.BaseController;
import com.huike.common.core.domain.AjaxResult;
import com.huike.common.utils.StringUtils;
import com.huike.common.utils.file.FileUtils;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.List;

/**
 * 通用请求处理
 */
@RestController
public class CommonController extends BaseController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ISysFileService fileService;

    @Value("${crm.filePath}")
    private String path;


    /**
     * 通用上传请求
     */
    @PostMapping("/common/upload")
    public AjaxResult uploadFile(MultipartFile file) {
        try {
            // 上传文件路径
            return fileService.upload(file);
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 批量导入模板表格下载
     * @param fileName
     * @param response
     */
    @GetMapping("/common/download")
    public void exportModel(String fileName, HttpServletResponse response) {
        try {
//            FileInputStream is = new FileInputStream(new File(path + "\\" + fileName));
//            ServletOutputStream os = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel; charset=utf-8");
            response.setHeader("Content-disposition", "attachment;filename=" + fileName);
            //IOUtils.copy(is, os);
            //关闭资源
            //is.close();
            //os.close();
            EasyExcel.write(response.getOutputStream(), TbClueExcelVo.class)
                    .sheet("Sheet1").doWrite(null);
        } catch (IOException e) {
            throw new RuntimeException("下载模板异常");
        }
    }
}